s_server.c revision 296341
1/* apps/s_server.c */ 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58/* ==================================================================== 59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. 60 * 61 * Redistribution and use in source and binary forms, with or without 62 * modification, are permitted provided that the following conditions 63 * are met: 64 * 65 * 1. Redistributions of source code must retain the above copyright 66 * notice, this list of conditions and the following disclaimer. 67 * 68 * 2. Redistributions in binary form must reproduce the above copyright 69 * notice, this list of conditions and the following disclaimer in 70 * the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3. All advertising materials mentioning features or use of this 74 * software must display the following acknowledgment: 75 * "This product includes software developed by the OpenSSL Project 76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 77 * 78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 79 * endorse or promote products derived from this software without 80 * prior written permission. For written permission, please contact 81 * openssl-core@openssl.org. 82 * 83 * 5. Products derived from this software may not be called "OpenSSL" 84 * nor may "OpenSSL" appear in their names without prior written 85 * permission of the OpenSSL Project. 86 * 87 * 6. Redistributions of any form whatsoever must retain the following 88 * acknowledgment: 89 * "This product includes software developed by the OpenSSL Project 90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 91 * 92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 103 * OF THE POSSIBILITY OF SUCH DAMAGE. 104 * ==================================================================== 105 * 106 * This product includes cryptographic software written by Eric Young 107 * (eay@cryptsoft.com). This product includes software written by Tim 108 * Hudson (tjh@cryptsoft.com). 109 * 110 */ 111/* ==================================================================== 112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. 113 * ECC cipher suite support in OpenSSL originally developed by 114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. 115 */ 116/* ==================================================================== 117 * Copyright 2005 Nokia. All rights reserved. 118 * 119 * The portions of the attached software ("Contribution") is developed by 120 * Nokia Corporation and is licensed pursuant to the OpenSSL open source 121 * license. 122 * 123 * The Contribution, originally written by Mika Kousa and Pasi Eronen of 124 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites 125 * support (see RFC 4279) to OpenSSL. 126 * 127 * No patent licenses or other rights except those expressly stated in 128 * the OpenSSL open source license shall be deemed granted or received 129 * expressly, by implication, estoppel, or otherwise. 130 * 131 * No assurances are provided by Nokia that the Contribution does not 132 * infringe the patent or other intellectual property rights of any third 133 * party or that the license provides you with all the necessary rights 134 * to make use of the Contribution. 135 * 136 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN 137 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA 138 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY 139 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR 140 * OTHERWISE. 141 */ 142 143/* 144 * Until the key-gen callbacks are modified to use newer prototypes, we allow 145 * deprecated functions for openssl-internal code 146 */ 147#ifdef OPENSSL_NO_DEPRECATED 148# undef OPENSSL_NO_DEPRECATED 149#endif 150 151#include <assert.h> 152#include <ctype.h> 153#include <stdio.h> 154#include <stdlib.h> 155#include <string.h> 156 157#include <openssl/e_os2.h> 158#ifdef OPENSSL_NO_STDIO 159# define APPS_WIN16 160#endif 161 162/* conflicts with winsock2 stuff on netware */ 163#if !defined(OPENSSL_SYS_NETWARE) 164# include <sys/types.h> 165#endif 166 167/* 168 * With IPv6, it looks like Digital has mixed up the proper order of 169 * recursive header file inclusion, resulting in the compiler complaining 170 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is 171 * needed to have fileno() declared correctly... So let's define u_int 172 */ 173#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT) 174# define __U_INT 175typedef unsigned int u_int; 176#endif 177 178#include <openssl/lhash.h> 179#include <openssl/bn.h> 180#define USE_SOCKETS 181#include "apps.h" 182#include <openssl/err.h> 183#include <openssl/pem.h> 184#include <openssl/x509.h> 185#include <openssl/ssl.h> 186#include <openssl/rand.h> 187#include <openssl/ocsp.h> 188#ifndef OPENSSL_NO_DH 189# include <openssl/dh.h> 190#endif 191#ifndef OPENSSL_NO_RSA 192# include <openssl/rsa.h> 193#endif 194#ifndef OPENSSL_NO_SRP 195# include <openssl/srp.h> 196#endif 197#include "s_apps.h" 198#include "timeouts.h" 199 200#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000) 201/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */ 202# undef FIONBIO 203#endif 204 205#if defined(OPENSSL_SYS_BEOS_R5) 206# include <fcntl.h> 207#endif 208 209#ifndef OPENSSL_NO_RSA 210static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength); 211#endif 212static int sv_body(char *hostname, int s, unsigned char *context); 213static int www_body(char *hostname, int s, unsigned char *context); 214static void close_accept_socket(void); 215static void sv_usage(void); 216static int init_ssl_connection(SSL *s); 217static void print_stats(BIO *bp, SSL_CTX *ctx); 218static int generate_session_id(const SSL *ssl, unsigned char *id, 219 unsigned int *id_len); 220#ifndef OPENSSL_NO_DH 221static DH *load_dh_param(const char *dhfile); 222static DH *get_dh2048(void); 223#endif 224 225#ifdef MONOLITH 226static void s_server_init(void); 227#endif 228 229#ifndef OPENSSL_NO_DH 230static unsigned char dh2048_p[] = { 231 0xF6,0x42,0x57,0xB7,0x08,0x7F,0x08,0x17,0x72,0xA2,0xBA,0xD6, 232 0xA9,0x42,0xF3,0x05,0xE8,0xF9,0x53,0x11,0x39,0x4F,0xB6,0xF1, 233 0x6E,0xB9,0x4B,0x38,0x20,0xDA,0x01,0xA7,0x56,0xA3,0x14,0xE9, 234 0x8F,0x40,0x55,0xF3,0xD0,0x07,0xC6,0xCB,0x43,0xA9,0x94,0xAD, 235 0xF7,0x4C,0x64,0x86,0x49,0xF8,0x0C,0x83,0xBD,0x65,0xE9,0x17, 236 0xD4,0xA1,0xD3,0x50,0xF8,0xF5,0x59,0x5F,0xDC,0x76,0x52,0x4F, 237 0x3D,0x3D,0x8D,0xDB,0xCE,0x99,0xE1,0x57,0x92,0x59,0xCD,0xFD, 238 0xB8,0xAE,0x74,0x4F,0xC5,0xFC,0x76,0xBC,0x83,0xC5,0x47,0x30, 239 0x61,0xCE,0x7C,0xC9,0x66,0xFF,0x15,0xF9,0xBB,0xFD,0x91,0x5E, 240 0xC7,0x01,0xAA,0xD3,0x5B,0x9E,0x8D,0xA0,0xA5,0x72,0x3A,0xD4, 241 0x1A,0xF0,0xBF,0x46,0x00,0x58,0x2B,0xE5,0xF4,0x88,0xFD,0x58, 242 0x4E,0x49,0xDB,0xCD,0x20,0xB4,0x9D,0xE4,0x91,0x07,0x36,0x6B, 243 0x33,0x6C,0x38,0x0D,0x45,0x1D,0x0F,0x7C,0x88,0xB3,0x1C,0x7C, 244 0x5B,0x2D,0x8E,0xF6,0xF3,0xC9,0x23,0xC0,0x43,0xF0,0xA5,0x5B, 245 0x18,0x8D,0x8E,0xBB,0x55,0x8C,0xB8,0x5D,0x38,0xD3,0x34,0xFD, 246 0x7C,0x17,0x57,0x43,0xA3,0x1D,0x18,0x6C,0xDE,0x33,0x21,0x2C, 247 0xB5,0x2A,0xFF,0x3C,0xE1,0xB1,0x29,0x40,0x18,0x11,0x8D,0x7C, 248 0x84,0xA7,0x0A,0x72,0xD6,0x86,0xC4,0x03,0x19,0xC8,0x07,0x29, 249 0x7A,0xCA,0x95,0x0C,0xD9,0x96,0x9F,0xAB,0xD0,0x0A,0x50,0x9B, 250 0x02,0x46,0xD3,0x08,0x3D,0x66,0xA4,0x5D,0x41,0x9F,0x9C,0x7C, 251 0xBD,0x89,0x4B,0x22,0x19,0x26,0xBA,0xAB,0xA2,0x5E,0xC3,0x55, 252 0xE9,0x32,0x0B,0x3B, 253}; 254 255static unsigned char dh2048_g[] = { 256 0x02, 257}; 258 259DH *get_dh2048() 260{ 261 DH *dh; 262 263 if ((dh = DH_new()) == NULL) 264 return NULL; 265 dh->p=BN_bin2bn(dh2048_p, sizeof(dh2048_p), NULL); 266 dh->g=BN_bin2bn(dh2048_g, sizeof(dh2048_g), NULL); 267 if (dh->p == NULL || dh->g == NULL) { 268 DH_free(dh); 269 return NULL; 270 } 271 return dh; 272} 273#endif 274 275/* static int load_CA(SSL_CTX *ctx, char *file);*/ 276 277#undef BUFSIZZ 278#define BUFSIZZ 16*1024 279static int bufsize = BUFSIZZ; 280static int accept_socket = -1; 281 282#define TEST_CERT "server.pem" 283#ifndef OPENSSL_NO_TLSEXT 284# define TEST_CERT2 "server2.pem" 285#endif 286#undef PROG 287#define PROG s_server_main 288 289extern int verify_depth, verify_return_error; 290 291static char *cipher = NULL; 292static int s_server_verify = SSL_VERIFY_NONE; 293static int s_server_session_id_context = 1; /* anything will do */ 294static const char *s_cert_file = TEST_CERT, *s_key_file = NULL; 295#ifndef OPENSSL_NO_TLSEXT 296static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL; 297#endif 298static char *s_dcert_file = NULL, *s_dkey_file = NULL; 299#ifdef FIONBIO 300static int s_nbio = 0; 301#endif 302static int s_nbio_test = 0; 303int s_crlf = 0; 304static SSL_CTX *ctx = NULL; 305#ifndef OPENSSL_NO_TLSEXT 306static SSL_CTX *ctx2 = NULL; 307#endif 308static int www = 0; 309 310static BIO *bio_s_out = NULL; 311static int s_debug = 0; 312#ifndef OPENSSL_NO_TLSEXT 313static int s_tlsextdebug = 0; 314static int s_tlsextstatus = 0; 315static int cert_status_cb(SSL *s, void *arg); 316#endif 317static int s_msg = 0; 318static int s_quiet = 0; 319 320static char *keymatexportlabel = NULL; 321static int keymatexportlen = 20; 322 323static int hack = 0; 324#ifndef OPENSSL_NO_ENGINE 325static char *engine_id = NULL; 326#endif 327static const char *session_id_prefix = NULL; 328 329static int enable_timeouts = 0; 330static long socket_mtu; 331#ifndef OPENSSL_NO_DTLS1 332static int cert_chain = 0; 333#endif 334 335#ifndef OPENSSL_NO_PSK 336static char *psk_identity = "Client_identity"; 337char *psk_key = NULL; /* by default PSK is not used */ 338 339static unsigned int psk_server_cb(SSL *ssl, const char *identity, 340 unsigned char *psk, 341 unsigned int max_psk_len) 342{ 343 unsigned int psk_len = 0; 344 int ret; 345 BIGNUM *bn = NULL; 346 347 if (s_debug) 348 BIO_printf(bio_s_out, "psk_server_cb\n"); 349 if (!identity) { 350 BIO_printf(bio_err, "Error: client did not send PSK identity\n"); 351 goto out_err; 352 } 353 if (s_debug) 354 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n", 355 (int)strlen(identity), identity); 356 357 /* here we could lookup the given identity e.g. from a database */ 358 if (strcmp(identity, psk_identity) != 0) { 359 BIO_printf(bio_s_out, "PSK error: client identity not found" 360 " (got '%s' expected '%s')\n", identity, psk_identity); 361 goto out_err; 362 } 363 if (s_debug) 364 BIO_printf(bio_s_out, "PSK client identity found\n"); 365 366 /* convert the PSK key to binary */ 367 ret = BN_hex2bn(&bn, psk_key); 368 if (!ret) { 369 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n", 370 psk_key); 371 if (bn) 372 BN_free(bn); 373 return 0; 374 } 375 if (BN_num_bytes(bn) > (int)max_psk_len) { 376 BIO_printf(bio_err, 377 "psk buffer of callback is too small (%d) for key (%d)\n", 378 max_psk_len, BN_num_bytes(bn)); 379 BN_free(bn); 380 return 0; 381 } 382 383 ret = BN_bn2bin(bn, psk); 384 BN_free(bn); 385 386 if (ret < 0) 387 goto out_err; 388 psk_len = (unsigned int)ret; 389 390 if (s_debug) 391 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len); 392 return psk_len; 393 out_err: 394 if (s_debug) 395 BIO_printf(bio_err, "Error in PSK server callback\n"); 396 return 0; 397} 398#endif 399 400#ifndef OPENSSL_NO_SRP 401/* This is a context that we pass to callbacks */ 402typedef struct srpsrvparm_st { 403 char *login; 404 SRP_VBASE *vb; 405 SRP_user_pwd *user; 406} srpsrvparm; 407 408/* 409 * This callback pretends to require some asynchronous logic in order to 410 * obtain a verifier. When the callback is called for a new connection we 411 * return with a negative value. This will provoke the accept etc to return 412 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call 413 * (which would normally occur after a worker has finished) and we set the 414 * user parameters. 415 */ 416static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg) 417{ 418 srpsrvparm *p = (srpsrvparm *) arg; 419 int ret = SSL3_AL_FATAL; 420 421 if (p->login == NULL && p->user == NULL) { 422 p->login = SSL_get_srp_username(s); 423 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login); 424 return (-1); 425 } 426 427 if (p->user == NULL) { 428 BIO_printf(bio_err, "User %s doesn't exist\n", p->login); 429 goto err; 430 } 431 432 if (SSL_set_srp_server_param 433 (s, p->user->N, p->user->g, p->user->s, p->user->v, 434 p->user->info) < 0) { 435 *ad = SSL_AD_INTERNAL_ERROR; 436 goto err; 437 } 438 BIO_printf(bio_err, 439 "SRP parameters set: username = \"%s\" info=\"%s\" \n", 440 p->login, p->user->info); 441 ret = SSL_ERROR_NONE; 442 443err: 444 SRP_user_pwd_free(p->user); 445 p->user = NULL; 446 p->login = NULL; 447 return ret; 448} 449 450#endif 451 452#ifdef MONOLITH 453static void s_server_init(void) 454{ 455 accept_socket = -1; 456 cipher = NULL; 457 s_server_verify = SSL_VERIFY_NONE; 458 s_dcert_file = NULL; 459 s_dkey_file = NULL; 460 s_cert_file = TEST_CERT; 461 s_key_file = NULL; 462# ifndef OPENSSL_NO_TLSEXT 463 s_cert_file2 = TEST_CERT2; 464 s_key_file2 = NULL; 465 ctx2 = NULL; 466# endif 467# ifdef FIONBIO 468 s_nbio = 0; 469# endif 470 s_nbio_test = 0; 471 ctx = NULL; 472 www = 0; 473 474 bio_s_out = NULL; 475 s_debug = 0; 476 s_msg = 0; 477 s_quiet = 0; 478 hack = 0; 479# ifndef OPENSSL_NO_ENGINE 480 engine_id = NULL; 481# endif 482} 483#endif 484 485static void sv_usage(void) 486{ 487 BIO_printf(bio_err, "usage: s_server [args ...]\n"); 488 BIO_printf(bio_err, "\n"); 489 BIO_printf(bio_err, 490 " -accept arg - port to accept on (default is %d)\n", PORT); 491 BIO_printf(bio_err, " -context arg - set session ID context\n"); 492 BIO_printf(bio_err, 493 " -verify arg - turn on peer certificate verification\n"); 494 BIO_printf(bio_err, 495 " -Verify arg - turn on peer certificate verification, must have a cert.\n"); 496 BIO_printf(bio_err, 497 " -verify_return_error - return verification errors\n"); 498 BIO_printf(bio_err, " -cert arg - certificate file to use\n"); 499 BIO_printf(bio_err, " (default is %s)\n", TEST_CERT); 500 BIO_printf(bio_err, 501 " -crl_check - check the peer certificate has not been revoked by its CA.\n" 502 " The CRL(s) are appended to the certificate file\n"); 503 BIO_printf(bio_err, 504 " -crl_check_all - check the peer certificate has not been revoked by its CA\n" 505 " or any other CRL in the CA chain. CRL(s) are appened to the\n" 506 " the certificate file.\n"); 507 BIO_printf(bio_err, 508 " -certform arg - certificate format (PEM or DER) PEM default\n"); 509 BIO_printf(bio_err, 510 " -key arg - Private Key file to use, in cert file if\n"); 511 BIO_printf(bio_err, " not specified (default is %s)\n", 512 TEST_CERT); 513 BIO_printf(bio_err, 514 " -keyform arg - key format (PEM, DER or ENGINE) PEM default\n"); 515 BIO_printf(bio_err, 516 " -pass arg - private key file pass phrase source\n"); 517 BIO_printf(bio_err, 518 " -dcert arg - second certificate file to use (usually for DSA)\n"); 519 BIO_printf(bio_err, 520 " -dcertform x - second certificate format (PEM or DER) PEM default\n"); 521 BIO_printf(bio_err, 522 " -dkey arg - second private key file to use (usually for DSA)\n"); 523 BIO_printf(bio_err, 524 " -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n"); 525 BIO_printf(bio_err, 526 " -dpass arg - second private key file pass phrase source\n"); 527 BIO_printf(bio_err, 528 " -dhparam arg - DH parameter file to use, in cert file if not specified\n"); 529 BIO_printf(bio_err, 530 " or a default set of parameters is used\n"); 531#ifndef OPENSSL_NO_ECDH 532 BIO_printf(bio_err, 533 " -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" 534 " Use \"openssl ecparam -list_curves\" for all names\n" 535 " (default is nistp256).\n"); 536#endif 537#ifdef FIONBIO 538 BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n"); 539#endif 540 BIO_printf(bio_err, 541 " -nbio_test - test with the non-blocking test bio\n"); 542 BIO_printf(bio_err, 543 " -crlf - convert LF from terminal into CRLF\n"); 544 BIO_printf(bio_err, " -debug - Print more output\n"); 545 BIO_printf(bio_err, " -msg - Show protocol messages\n"); 546 BIO_printf(bio_err, " -state - Print the SSL states\n"); 547 BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n"); 548 BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n"); 549 BIO_printf(bio_err, 550 " -no_alt_chains - only ever use the first certificate chain found\n"); 551 BIO_printf(bio_err, 552 " -nocert - Don't use any certificates (Anon-DH)\n"); 553 BIO_printf(bio_err, 554 " -cipher arg - play with 'openssl ciphers' to see what goes here\n"); 555 BIO_printf(bio_err, " -serverpref - Use server's cipher preferences\n"); 556 BIO_printf(bio_err, " -quiet - No server output\n"); 557 BIO_printf(bio_err, " -no_tmp_rsa - Do not generate a tmp RSA key\n"); 558#ifndef OPENSSL_NO_PSK 559 BIO_printf(bio_err, " -psk_hint arg - PSK identity hint to use\n"); 560 BIO_printf(bio_err, " -psk arg - PSK in hex (without 0x)\n"); 561# ifndef OPENSSL_NO_JPAKE 562 BIO_printf(bio_err, " -jpake arg - JPAKE secret to use\n"); 563# endif 564#endif 565#ifndef OPENSSL_NO_SRP 566 BIO_printf(bio_err, " -srpvfile file - The verifier file for SRP\n"); 567 BIO_printf(bio_err, 568 " -srpuserseed string - A seed string for a default user salt.\n"); 569#endif 570 BIO_printf(bio_err, " -ssl2 - Just talk SSLv2\n"); 571#ifndef OPENSSL_NO_SSL3_METHOD 572 BIO_printf(bio_err, " -ssl3 - Just talk SSLv3\n"); 573#endif 574 BIO_printf(bio_err, " -tls1_2 - Just talk TLSv1.2\n"); 575 BIO_printf(bio_err, " -tls1_1 - Just talk TLSv1.1\n"); 576 BIO_printf(bio_err, " -tls1 - Just talk TLSv1\n"); 577 BIO_printf(bio_err, " -dtls1 - Just talk DTLSv1\n"); 578 BIO_printf(bio_err, " -timeout - Enable timeouts\n"); 579 BIO_printf(bio_err, " -mtu - Set link layer MTU\n"); 580 BIO_printf(bio_err, " -chain - Read a certificate chain\n"); 581 BIO_printf(bio_err, " -no_ssl2 - Just disable SSLv2\n"); 582 BIO_printf(bio_err, " -no_ssl3 - Just disable SSLv3\n"); 583 BIO_printf(bio_err, " -no_tls1 - Just disable TLSv1\n"); 584 BIO_printf(bio_err, " -no_tls1_1 - Just disable TLSv1.1\n"); 585 BIO_printf(bio_err, " -no_tls1_2 - Just disable TLSv1.2\n"); 586#ifndef OPENSSL_NO_DH 587 BIO_printf(bio_err, " -no_dhe - Disable ephemeral DH\n"); 588#endif 589#ifndef OPENSSL_NO_ECDH 590 BIO_printf(bio_err, " -no_ecdhe - Disable ephemeral ECDH\n"); 591#endif 592 BIO_printf(bio_err, " -bugs - Turn on SSL bug compatibility\n"); 593 BIO_printf(bio_err, 594 " -hack - workaround for early Netscape code\n"); 595 BIO_printf(bio_err, 596 " -www - Respond to a 'GET /' with a status page\n"); 597 BIO_printf(bio_err, 598 " -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 599 BIO_printf(bio_err, 600 " -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 601 BIO_printf(bio_err, 602 " with the assumption it contains a complete HTTP response.\n"); 603#ifndef OPENSSL_NO_ENGINE 604 BIO_printf(bio_err, 605 " -engine id - Initialise and use the specified engine\n"); 606#endif 607 BIO_printf(bio_err, 608 " -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n"); 609 BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, 610 LIST_SEPARATOR_CHAR); 611#ifndef OPENSSL_NO_TLSEXT 612 BIO_printf(bio_err, 613 " -servername host - servername for HostName TLS extension\n"); 614 BIO_printf(bio_err, 615 " -servername_fatal - on mismatch send fatal alert (default warning alert)\n"); 616 BIO_printf(bio_err, 617 " -cert2 arg - certificate file to use for servername\n"); 618 BIO_printf(bio_err, " (default is %s)\n", TEST_CERT2); 619 BIO_printf(bio_err, 620 " -key2 arg - Private Key file to use for servername, in cert file if\n"); 621 BIO_printf(bio_err, " not specified (default is %s)\n", 622 TEST_CERT2); 623 BIO_printf(bio_err, 624 " -tlsextdebug - hex dump of all TLS extensions received\n"); 625 BIO_printf(bio_err, 626 " -no_ticket - disable use of RFC4507bis session tickets\n"); 627 BIO_printf(bio_err, 628 " -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 629# ifndef OPENSSL_NO_NEXTPROTONEG 630 BIO_printf(bio_err, 631 " -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n"); 632# endif 633# ifndef OPENSSL_NO_SRTP 634 BIO_printf(bio_err, 635 " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); 636# endif 637#endif 638 BIO_printf(bio_err, 639 " -keymatexport label - Export keying material using label\n"); 640 BIO_printf(bio_err, 641 " -keymatexportlen len - Export len bytes of keying material (default 20)\n"); 642 BIO_printf(bio_err, 643 " -status - respond to certificate status requests\n"); 644 BIO_printf(bio_err, 645 " -status_verbose - enable status request verbose printout\n"); 646 BIO_printf(bio_err, 647 " -status_timeout n - status request responder timeout\n"); 648 BIO_printf(bio_err, " -status_url URL - status request fallback URL\n"); 649} 650 651static int local_argc = 0; 652static char **local_argv; 653 654#ifdef CHARSET_EBCDIC 655static int ebcdic_new(BIO *bi); 656static int ebcdic_free(BIO *a); 657static int ebcdic_read(BIO *b, char *out, int outl); 658static int ebcdic_write(BIO *b, const char *in, int inl); 659static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr); 660static int ebcdic_gets(BIO *bp, char *buf, int size); 661static int ebcdic_puts(BIO *bp, const char *str); 662 663# define BIO_TYPE_EBCDIC_FILTER (18|0x0200) 664static BIO_METHOD methods_ebcdic = { 665 BIO_TYPE_EBCDIC_FILTER, 666 "EBCDIC/ASCII filter", 667 ebcdic_write, 668 ebcdic_read, 669 ebcdic_puts, 670 ebcdic_gets, 671 ebcdic_ctrl, 672 ebcdic_new, 673 ebcdic_free, 674}; 675 676typedef struct { 677 size_t alloced; 678 char buff[1]; 679} EBCDIC_OUTBUFF; 680 681BIO_METHOD *BIO_f_ebcdic_filter() 682{ 683 return (&methods_ebcdic); 684} 685 686static int ebcdic_new(BIO *bi) 687{ 688 EBCDIC_OUTBUFF *wbuf; 689 690 wbuf = (EBCDIC_OUTBUFF *) OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024); 691 if (!wbuf) 692 return 0; 693 wbuf->alloced = 1024; 694 wbuf->buff[0] = '\0'; 695 696 bi->ptr = (char *)wbuf; 697 bi->init = 1; 698 bi->flags = 0; 699 return (1); 700} 701 702static int ebcdic_free(BIO *a) 703{ 704 if (a == NULL) 705 return (0); 706 if (a->ptr != NULL) 707 OPENSSL_free(a->ptr); 708 a->ptr = NULL; 709 a->init = 0; 710 a->flags = 0; 711 return (1); 712} 713 714static int ebcdic_read(BIO *b, char *out, int outl) 715{ 716 int ret = 0; 717 718 if (out == NULL || outl == 0) 719 return (0); 720 if (b->next_bio == NULL) 721 return (0); 722 723 ret = BIO_read(b->next_bio, out, outl); 724 if (ret > 0) 725 ascii2ebcdic(out, out, ret); 726 return (ret); 727} 728 729static int ebcdic_write(BIO *b, const char *in, int inl) 730{ 731 EBCDIC_OUTBUFF *wbuf; 732 int ret = 0; 733 int num; 734 unsigned char n; 735 736 if ((in == NULL) || (inl <= 0)) 737 return (0); 738 if (b->next_bio == NULL) 739 return (0); 740 741 wbuf = (EBCDIC_OUTBUFF *) b->ptr; 742 743 if (inl > (num = wbuf->alloced)) { 744 num = num + num; /* double the size */ 745 if (num < inl) 746 num = inl; 747 wbuf = 748 (EBCDIC_OUTBUFF *) OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num); 749 if (!wbuf) 750 return 0; 751 OPENSSL_free(b->ptr); 752 753 wbuf->alloced = num; 754 wbuf->buff[0] = '\0'; 755 756 b->ptr = (char *)wbuf; 757 } 758 759 ebcdic2ascii(wbuf->buff, in, inl); 760 761 ret = BIO_write(b->next_bio, wbuf->buff, inl); 762 763 return (ret); 764} 765 766static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr) 767{ 768 long ret; 769 770 if (b->next_bio == NULL) 771 return (0); 772 switch (cmd) { 773 case BIO_CTRL_DUP: 774 ret = 0L; 775 break; 776 default: 777 ret = BIO_ctrl(b->next_bio, cmd, num, ptr); 778 break; 779 } 780 return (ret); 781} 782 783static int ebcdic_gets(BIO *bp, char *buf, int size) 784{ 785 int i, ret = 0; 786 if (bp->next_bio == NULL) 787 return (0); 788/* return(BIO_gets(bp->next_bio,buf,size));*/ 789 for (i = 0; i < size - 1; ++i) { 790 ret = ebcdic_read(bp, &buf[i], 1); 791 if (ret <= 0) 792 break; 793 else if (buf[i] == '\n') { 794 ++i; 795 break; 796 } 797 } 798 if (i < size) 799 buf[i] = '\0'; 800 return (ret < 0 && i == 0) ? ret : i; 801} 802 803static int ebcdic_puts(BIO *bp, const char *str) 804{ 805 if (bp->next_bio == NULL) 806 return (0); 807 return ebcdic_write(bp, str, strlen(str)); 808} 809#endif 810 811#ifndef OPENSSL_NO_TLSEXT 812 813/* This is a context that we pass to callbacks */ 814typedef struct tlsextctx_st { 815 char *servername; 816 BIO *biodebug; 817 int extension_error; 818} tlsextctx; 819 820static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 821{ 822 tlsextctx *p = (tlsextctx *) arg; 823 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 824 if (servername && p->biodebug) 825 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n", 826 servername); 827 828 if (!p->servername) 829 return SSL_TLSEXT_ERR_NOACK; 830 831 if (servername) { 832 if (strcasecmp(servername, p->servername)) 833 return p->extension_error; 834 if (ctx2) { 835 BIO_printf(p->biodebug, "Switching server context.\n"); 836 SSL_set_SSL_CTX(s, ctx2); 837 } 838 } 839 return SSL_TLSEXT_ERR_OK; 840} 841 842/* Structure passed to cert status callback */ 843 844typedef struct tlsextstatusctx_st { 845 /* Default responder to use */ 846 char *host, *path, *port; 847 int use_ssl; 848 int timeout; 849 BIO *err; 850 int verbose; 851} tlsextstatusctx; 852 853static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, NULL, 0 }; 854 855/* 856 * Certificate Status callback. This is called when a client includes a 857 * certificate status request extension. This is a simplified version. It 858 * examines certificates each time and makes one OCSP responder query for 859 * each request. A full version would store details such as the OCSP 860 * certificate IDs and minimise the number of OCSP responses by caching them 861 * until they were considered "expired". 862 */ 863 864static int cert_status_cb(SSL *s, void *arg) 865{ 866 tlsextstatusctx *srctx = arg; 867 BIO *err = srctx->err; 868 char *host, *port, *path; 869 int use_ssl; 870 unsigned char *rspder = NULL; 871 int rspderlen; 872 STACK_OF(OPENSSL_STRING) *aia = NULL; 873 X509 *x = NULL; 874 X509_STORE_CTX inctx; 875 X509_OBJECT obj; 876 OCSP_REQUEST *req = NULL; 877 OCSP_RESPONSE *resp = NULL; 878 OCSP_CERTID *id = NULL; 879 STACK_OF(X509_EXTENSION) *exts; 880 int ret = SSL_TLSEXT_ERR_NOACK; 881 int i; 882# if 0 883 STACK_OF(OCSP_RESPID) *ids; 884 SSL_get_tlsext_status_ids(s, &ids); 885 BIO_printf(err, "cert_status: received %d ids\n", 886 sk_OCSP_RESPID_num(ids)); 887# endif 888 if (srctx->verbose) 889 BIO_puts(err, "cert_status: callback called\n"); 890 /* Build up OCSP query from server certificate */ 891 x = SSL_get_certificate(s); 892 aia = X509_get1_ocsp(x); 893 if (aia) { 894 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0), 895 &host, &port, &path, &use_ssl)) { 896 BIO_puts(err, "cert_status: can't parse AIA URL\n"); 897 goto err; 898 } 899 if (srctx->verbose) 900 BIO_printf(err, "cert_status: AIA URL: %s\n", 901 sk_OPENSSL_STRING_value(aia, 0)); 902 } else { 903 if (!srctx->host) { 904 BIO_puts(srctx->err, 905 "cert_status: no AIA and no default responder URL\n"); 906 goto done; 907 } 908 host = srctx->host; 909 path = srctx->path; 910 port = srctx->port; 911 use_ssl = srctx->use_ssl; 912 } 913 914 if (!X509_STORE_CTX_init(&inctx, 915 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)), 916 NULL, NULL)) 917 goto err; 918 if (X509_STORE_get_by_subject(&inctx, X509_LU_X509, 919 X509_get_issuer_name(x), &obj) <= 0) { 920 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n"); 921 X509_STORE_CTX_cleanup(&inctx); 922 goto done; 923 } 924 req = OCSP_REQUEST_new(); 925 if (!req) 926 goto err; 927 id = OCSP_cert_to_id(NULL, x, obj.data.x509); 928 X509_free(obj.data.x509); 929 X509_STORE_CTX_cleanup(&inctx); 930 if (!id) 931 goto err; 932 if (!OCSP_request_add0_id(req, id)) 933 goto err; 934 id = NULL; 935 /* Add any extensions to the request */ 936 SSL_get_tlsext_status_exts(s, &exts); 937 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 938 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 939 if (!OCSP_REQUEST_add_ext(req, ext, -1)) 940 goto err; 941 } 942 resp = process_responder(err, req, host, path, port, use_ssl, NULL, 943 srctx->timeout); 944 if (!resp) { 945 BIO_puts(err, "cert_status: error querying responder\n"); 946 goto done; 947 } 948 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder); 949 if (rspderlen <= 0) 950 goto err; 951 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen); 952 if (srctx->verbose) { 953 BIO_puts(err, "cert_status: ocsp response sent:\n"); 954 OCSP_RESPONSE_print(err, resp, 2); 955 } 956 ret = SSL_TLSEXT_ERR_OK; 957 done: 958 if (ret != SSL_TLSEXT_ERR_OK) 959 ERR_print_errors(err); 960 if (aia) { 961 OPENSSL_free(host); 962 OPENSSL_free(path); 963 OPENSSL_free(port); 964 X509_email_free(aia); 965 } 966 if (id) 967 OCSP_CERTID_free(id); 968 if (req) 969 OCSP_REQUEST_free(req); 970 if (resp) 971 OCSP_RESPONSE_free(resp); 972 return ret; 973 err: 974 ret = SSL_TLSEXT_ERR_ALERT_FATAL; 975 goto done; 976} 977 978# ifndef OPENSSL_NO_NEXTPROTONEG 979/* This is the context that we pass to next_proto_cb */ 980typedef struct tlsextnextprotoctx_st { 981 unsigned char *data; 982 unsigned int len; 983} tlsextnextprotoctx; 984 985static int next_proto_cb(SSL *s, const unsigned char **data, 986 unsigned int *len, void *arg) 987{ 988 tlsextnextprotoctx *next_proto = arg; 989 990 *data = next_proto->data; 991 *len = next_proto->len; 992 993 return SSL_TLSEXT_ERR_OK; 994} 995# endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 996 997#endif 998 999int MAIN(int, char **); 1000 1001#ifndef OPENSSL_NO_JPAKE 1002static char *jpake_secret = NULL; 1003#endif 1004#ifndef OPENSSL_NO_SRP 1005static srpsrvparm srp_callback_parm; 1006#endif 1007#ifndef OPENSSL_NO_SRTP 1008static char *srtp_profiles = NULL; 1009#endif 1010 1011int MAIN(int argc, char *argv[]) 1012{ 1013 X509_VERIFY_PARAM *vpm = NULL; 1014 int badarg = 0; 1015 short port = PORT; 1016 char *CApath = NULL, *CAfile = NULL; 1017 unsigned char *context = NULL; 1018 char *dhfile = NULL; 1019#ifndef OPENSSL_NO_ECDH 1020 char *named_curve = NULL; 1021#endif 1022 int badop = 0, bugs = 0; 1023 int ret = 1; 1024 int off = 0; 1025 int no_tmp_rsa = 0, no_dhe = 0, nocert = 0; 1026#ifndef OPENSSL_NO_ECDH 1027 int no_ecdhe = 0; 1028#endif 1029 int state = 0; 1030 const SSL_METHOD *meth = NULL; 1031 int socket_type = SOCK_STREAM; 1032 ENGINE *e = NULL; 1033 char *inrand = NULL; 1034 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM; 1035 char *passarg = NULL, *pass = NULL; 1036 char *dpassarg = NULL, *dpass = NULL; 1037 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM; 1038 X509 *s_cert = NULL, *s_dcert = NULL; 1039 EVP_PKEY *s_key = NULL, *s_dkey = NULL; 1040 int no_cache = 0; 1041#ifndef OPENSSL_NO_TLSEXT 1042 EVP_PKEY *s_key2 = NULL; 1043 X509 *s_cert2 = NULL; 1044 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING }; 1045# ifndef OPENSSL_NO_NEXTPROTONEG 1046 const char *next_proto_neg_in = NULL; 1047 tlsextnextprotoctx next_proto; 1048# endif 1049#endif 1050#ifndef OPENSSL_NO_PSK 1051 /* by default do not send a PSK identity hint */ 1052 static char *psk_identity_hint = NULL; 1053#endif 1054#ifndef OPENSSL_NO_SRP 1055 char *srpuserseed = NULL; 1056 char *srp_verifier_file = NULL; 1057#endif 1058 meth = SSLv23_server_method(); 1059 1060 local_argc = argc; 1061 local_argv = argv; 1062 1063 apps_startup(); 1064#ifdef MONOLITH 1065 s_server_init(); 1066#endif 1067 1068 if (bio_err == NULL) 1069 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 1070 1071 if (!load_config(bio_err, NULL)) 1072 goto end; 1073 1074 verify_depth = 0; 1075#ifdef FIONBIO 1076 s_nbio = 0; 1077#endif 1078 s_nbio_test = 0; 1079 1080 argc--; 1081 argv++; 1082 1083 while (argc >= 1) { 1084 if ((strcmp(*argv, "-port") == 0) || (strcmp(*argv, "-accept") == 0)) { 1085 if (--argc < 1) 1086 goto bad; 1087 if (!extract_port(*(++argv), &port)) 1088 goto bad; 1089 } else if (strcmp(*argv, "-verify") == 0) { 1090 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE; 1091 if (--argc < 1) 1092 goto bad; 1093 verify_depth = atoi(*(++argv)); 1094 BIO_printf(bio_err, "verify depth is %d\n", verify_depth); 1095 } else if (strcmp(*argv, "-Verify") == 0) { 1096 s_server_verify = 1097 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT | 1098 SSL_VERIFY_CLIENT_ONCE; 1099 if (--argc < 1) 1100 goto bad; 1101 verify_depth = atoi(*(++argv)); 1102 BIO_printf(bio_err, 1103 "verify depth is %d, must return a certificate\n", 1104 verify_depth); 1105 } else if (strcmp(*argv, "-context") == 0) { 1106 if (--argc < 1) 1107 goto bad; 1108 context = (unsigned char *)*(++argv); 1109 } else if (strcmp(*argv, "-cert") == 0) { 1110 if (--argc < 1) 1111 goto bad; 1112 s_cert_file = *(++argv); 1113 } else if (strcmp(*argv, "-certform") == 0) { 1114 if (--argc < 1) 1115 goto bad; 1116 s_cert_format = str2fmt(*(++argv)); 1117 } else if (strcmp(*argv, "-key") == 0) { 1118 if (--argc < 1) 1119 goto bad; 1120 s_key_file = *(++argv); 1121 } else if (strcmp(*argv, "-keyform") == 0) { 1122 if (--argc < 1) 1123 goto bad; 1124 s_key_format = str2fmt(*(++argv)); 1125 } else if (strcmp(*argv, "-pass") == 0) { 1126 if (--argc < 1) 1127 goto bad; 1128 passarg = *(++argv); 1129 } else if (strcmp(*argv, "-dhparam") == 0) { 1130 if (--argc < 1) 1131 goto bad; 1132 dhfile = *(++argv); 1133 } 1134#ifndef OPENSSL_NO_ECDH 1135 else if (strcmp(*argv, "-named_curve") == 0) { 1136 if (--argc < 1) 1137 goto bad; 1138 named_curve = *(++argv); 1139 } 1140#endif 1141 else if (strcmp(*argv, "-dcertform") == 0) { 1142 if (--argc < 1) 1143 goto bad; 1144 s_dcert_format = str2fmt(*(++argv)); 1145 } else if (strcmp(*argv, "-dcert") == 0) { 1146 if (--argc < 1) 1147 goto bad; 1148 s_dcert_file = *(++argv); 1149 } else if (strcmp(*argv, "-dkeyform") == 0) { 1150 if (--argc < 1) 1151 goto bad; 1152 s_dkey_format = str2fmt(*(++argv)); 1153 } else if (strcmp(*argv, "-dpass") == 0) { 1154 if (--argc < 1) 1155 goto bad; 1156 dpassarg = *(++argv); 1157 } else if (strcmp(*argv, "-dkey") == 0) { 1158 if (--argc < 1) 1159 goto bad; 1160 s_dkey_file = *(++argv); 1161 } else if (strcmp(*argv, "-nocert") == 0) { 1162 nocert = 1; 1163 } else if (strcmp(*argv, "-CApath") == 0) { 1164 if (--argc < 1) 1165 goto bad; 1166 CApath = *(++argv); 1167 } else if (strcmp(*argv, "-no_cache") == 0) 1168 no_cache = 1; 1169 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) { 1170 if (badarg) 1171 goto bad; 1172 continue; 1173 } else if (strcmp(*argv, "-verify_return_error") == 0) 1174 verify_return_error = 1; 1175 else if (strcmp(*argv, "-serverpref") == 0) { 1176 off |= SSL_OP_CIPHER_SERVER_PREFERENCE; 1177 } else if (strcmp(*argv, "-legacy_renegotiation") == 0) 1178 off |= SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; 1179 else if (strcmp(*argv, "-cipher") == 0) { 1180 if (--argc < 1) 1181 goto bad; 1182 cipher = *(++argv); 1183 } else if (strcmp(*argv, "-CAfile") == 0) { 1184 if (--argc < 1) 1185 goto bad; 1186 CAfile = *(++argv); 1187 } 1188#ifdef FIONBIO 1189 else if (strcmp(*argv, "-nbio") == 0) { 1190 s_nbio = 1; 1191 } 1192#endif 1193 else if (strcmp(*argv, "-nbio_test") == 0) { 1194#ifdef FIONBIO 1195 s_nbio = 1; 1196#endif 1197 s_nbio_test = 1; 1198 } else if (strcmp(*argv, "-debug") == 0) { 1199 s_debug = 1; 1200 } 1201#ifndef OPENSSL_NO_TLSEXT 1202 else if (strcmp(*argv, "-tlsextdebug") == 0) 1203 s_tlsextdebug = 1; 1204 else if (strcmp(*argv, "-status") == 0) 1205 s_tlsextstatus = 1; 1206 else if (strcmp(*argv, "-status_verbose") == 0) { 1207 s_tlsextstatus = 1; 1208 tlscstatp.verbose = 1; 1209 } else if (!strcmp(*argv, "-status_timeout")) { 1210 s_tlsextstatus = 1; 1211 if (--argc < 1) 1212 goto bad; 1213 tlscstatp.timeout = atoi(*(++argv)); 1214 } else if (!strcmp(*argv, "-status_url")) { 1215 s_tlsextstatus = 1; 1216 if (--argc < 1) 1217 goto bad; 1218 if (!OCSP_parse_url(*(++argv), 1219 &tlscstatp.host, 1220 &tlscstatp.port, 1221 &tlscstatp.path, &tlscstatp.use_ssl)) { 1222 BIO_printf(bio_err, "Error parsing URL\n"); 1223 goto bad; 1224 } 1225 } 1226#endif 1227 else if (strcmp(*argv, "-msg") == 0) { 1228 s_msg = 1; 1229 } else if (strcmp(*argv, "-hack") == 0) { 1230 hack = 1; 1231 } else if (strcmp(*argv, "-state") == 0) { 1232 state = 1; 1233 } else if (strcmp(*argv, "-crlf") == 0) { 1234 s_crlf = 1; 1235 } else if (strcmp(*argv, "-quiet") == 0) { 1236 s_quiet = 1; 1237 } else if (strcmp(*argv, "-bugs") == 0) { 1238 bugs = 1; 1239 } else if (strcmp(*argv, "-no_tmp_rsa") == 0) { 1240 no_tmp_rsa = 1; 1241 } else if (strcmp(*argv, "-no_dhe") == 0) { 1242 no_dhe = 1; 1243 } 1244#ifndef OPENSSL_NO_ECDH 1245 else if (strcmp(*argv, "-no_ecdhe") == 0) { 1246 no_ecdhe = 1; 1247 } 1248#endif 1249#ifndef OPENSSL_NO_PSK 1250 else if (strcmp(*argv, "-psk_hint") == 0) { 1251 if (--argc < 1) 1252 goto bad; 1253 psk_identity_hint = *(++argv); 1254 } else if (strcmp(*argv, "-psk") == 0) { 1255 size_t i; 1256 1257 if (--argc < 1) 1258 goto bad; 1259 psk_key = *(++argv); 1260 for (i = 0; i < strlen(psk_key); i++) { 1261 if (isxdigit((unsigned char)psk_key[i])) 1262 continue; 1263 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv); 1264 goto bad; 1265 } 1266 } 1267#endif 1268#ifndef OPENSSL_NO_SRP 1269 else if (strcmp(*argv, "-srpvfile") == 0) { 1270 if (--argc < 1) 1271 goto bad; 1272 srp_verifier_file = *(++argv); 1273 meth = TLSv1_server_method(); 1274 } else if (strcmp(*argv, "-srpuserseed") == 0) { 1275 if (--argc < 1) 1276 goto bad; 1277 srpuserseed = *(++argv); 1278 meth = TLSv1_server_method(); 1279 } 1280#endif 1281 else if (strcmp(*argv, "-www") == 0) { 1282 www = 1; 1283 } else if (strcmp(*argv, "-WWW") == 0) { 1284 www = 2; 1285 } else if (strcmp(*argv, "-HTTP") == 0) { 1286 www = 3; 1287 } else if (strcmp(*argv, "-no_ssl2") == 0) { 1288 off |= SSL_OP_NO_SSLv2; 1289 } else if (strcmp(*argv, "-no_ssl3") == 0) { 1290 off |= SSL_OP_NO_SSLv3; 1291 } else if (strcmp(*argv, "-no_tls1") == 0) { 1292 off |= SSL_OP_NO_TLSv1; 1293 } else if (strcmp(*argv, "-no_tls1_1") == 0) { 1294 off |= SSL_OP_NO_TLSv1_1; 1295 } else if (strcmp(*argv, "-no_tls1_2") == 0) { 1296 off |= SSL_OP_NO_TLSv1_2; 1297 } else if (strcmp(*argv, "-no_comp") == 0) { 1298 off |= SSL_OP_NO_COMPRESSION; 1299 } 1300#ifndef OPENSSL_NO_TLSEXT 1301 else if (strcmp(*argv, "-no_ticket") == 0) { 1302 off |= SSL_OP_NO_TICKET; 1303 } 1304#endif 1305#ifndef OPENSSL_NO_SSL2 1306 else if (strcmp(*argv, "-ssl2") == 0) { 1307 meth = SSLv2_server_method(); 1308 } 1309#endif 1310#ifndef OPENSSL_NO_SSL3_METHOD 1311 else if (strcmp(*argv, "-ssl3") == 0) { 1312 meth = SSLv3_server_method(); 1313 } 1314#endif 1315#ifndef OPENSSL_NO_TLS1 1316 else if (strcmp(*argv, "-tls1") == 0) { 1317 meth = TLSv1_server_method(); 1318 } else if (strcmp(*argv, "-tls1_1") == 0) { 1319 meth = TLSv1_1_server_method(); 1320 } else if (strcmp(*argv, "-tls1_2") == 0) { 1321 meth = TLSv1_2_server_method(); 1322 } 1323#endif 1324#ifndef OPENSSL_NO_DTLS1 1325 else if (strcmp(*argv, "-dtls1") == 0) { 1326 meth = DTLSv1_server_method(); 1327 socket_type = SOCK_DGRAM; 1328 } else if (strcmp(*argv, "-timeout") == 0) 1329 enable_timeouts = 1; 1330 else if (strcmp(*argv, "-mtu") == 0) { 1331 if (--argc < 1) 1332 goto bad; 1333 socket_mtu = atol(*(++argv)); 1334 } else if (strcmp(*argv, "-chain") == 0) 1335 cert_chain = 1; 1336#endif 1337 else if (strcmp(*argv, "-id_prefix") == 0) { 1338 if (--argc < 1) 1339 goto bad; 1340 session_id_prefix = *(++argv); 1341 } 1342#ifndef OPENSSL_NO_ENGINE 1343 else if (strcmp(*argv, "-engine") == 0) { 1344 if (--argc < 1) 1345 goto bad; 1346 engine_id = *(++argv); 1347 } 1348#endif 1349 else if (strcmp(*argv, "-rand") == 0) { 1350 if (--argc < 1) 1351 goto bad; 1352 inrand = *(++argv); 1353 } 1354#ifndef OPENSSL_NO_TLSEXT 1355 else if (strcmp(*argv, "-servername") == 0) { 1356 if (--argc < 1) 1357 goto bad; 1358 tlsextcbp.servername = *(++argv); 1359 } else if (strcmp(*argv, "-servername_fatal") == 0) { 1360 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; 1361 } else if (strcmp(*argv, "-cert2") == 0) { 1362 if (--argc < 1) 1363 goto bad; 1364 s_cert_file2 = *(++argv); 1365 } else if (strcmp(*argv, "-key2") == 0) { 1366 if (--argc < 1) 1367 goto bad; 1368 s_key_file2 = *(++argv); 1369 } 1370# ifndef OPENSSL_NO_NEXTPROTONEG 1371 else if (strcmp(*argv, "-nextprotoneg") == 0) { 1372 if (--argc < 1) 1373 goto bad; 1374 next_proto_neg_in = *(++argv); 1375 } 1376# endif 1377#endif 1378#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1379 else if (strcmp(*argv, "-jpake") == 0) { 1380 if (--argc < 1) 1381 goto bad; 1382 jpake_secret = *(++argv); 1383 } 1384#endif 1385#ifndef OPENSSL_NO_SRTP 1386 else if (strcmp(*argv, "-use_srtp") == 0) { 1387 if (--argc < 1) 1388 goto bad; 1389 srtp_profiles = *(++argv); 1390 } 1391#endif 1392 else if (strcmp(*argv, "-keymatexport") == 0) { 1393 if (--argc < 1) 1394 goto bad; 1395 keymatexportlabel = *(++argv); 1396 } else if (strcmp(*argv, "-keymatexportlen") == 0) { 1397 if (--argc < 1) 1398 goto bad; 1399 keymatexportlen = atoi(*(++argv)); 1400 if (keymatexportlen == 0) 1401 goto bad; 1402 } else { 1403 BIO_printf(bio_err, "unknown option %s\n", *argv); 1404 badop = 1; 1405 break; 1406 } 1407 argc--; 1408 argv++; 1409 } 1410 if (badop) { 1411 bad: 1412 sv_usage(); 1413 goto end; 1414 } 1415#ifndef OPENSSL_NO_DTLS1 1416 if (www && socket_type == SOCK_DGRAM) { 1417 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n"); 1418 goto end; 1419 } 1420#endif 1421 1422#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1423 if (jpake_secret) { 1424 if (psk_key) { 1425 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n"); 1426 goto end; 1427 } 1428 psk_identity = "JPAKE"; 1429 if (cipher) { 1430 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); 1431 goto end; 1432 } 1433 cipher = "PSK"; 1434 } 1435#endif 1436 1437 SSL_load_error_strings(); 1438 OpenSSL_add_ssl_algorithms(); 1439 1440#ifndef OPENSSL_NO_ENGINE 1441 e = setup_engine(bio_err, engine_id, 1); 1442#endif 1443 1444 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) { 1445 BIO_printf(bio_err, "Error getting password\n"); 1446 goto end; 1447 } 1448 1449 if (s_key_file == NULL) 1450 s_key_file = s_cert_file; 1451#ifndef OPENSSL_NO_TLSEXT 1452 if (s_key_file2 == NULL) 1453 s_key_file2 = s_cert_file2; 1454#endif 1455 1456 if (nocert == 0) { 1457 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e, 1458 "server certificate private key file"); 1459 if (!s_key) { 1460 ERR_print_errors(bio_err); 1461 goto end; 1462 } 1463 1464 s_cert = load_cert(bio_err, s_cert_file, s_cert_format, 1465 NULL, e, "server certificate file"); 1466 1467 if (!s_cert) { 1468 ERR_print_errors(bio_err); 1469 goto end; 1470 } 1471#ifndef OPENSSL_NO_TLSEXT 1472 if (tlsextcbp.servername) { 1473 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e, 1474 "second server certificate private key file"); 1475 if (!s_key2) { 1476 ERR_print_errors(bio_err); 1477 goto end; 1478 } 1479 1480 s_cert2 = load_cert(bio_err, s_cert_file2, s_cert_format, 1481 NULL, e, "second server certificate file"); 1482 1483 if (!s_cert2) { 1484 ERR_print_errors(bio_err); 1485 goto end; 1486 } 1487 } 1488#endif 1489 } 1490#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1491 if (next_proto_neg_in) { 1492 unsigned short len; 1493 next_proto.data = next_protos_parse(&len, next_proto_neg_in); 1494 if (next_proto.data == NULL) 1495 goto end; 1496 next_proto.len = len; 1497 } else { 1498 next_proto.data = NULL; 1499 } 1500#endif 1501 1502 if (s_dcert_file) { 1503 1504 if (s_dkey_file == NULL) 1505 s_dkey_file = s_dcert_file; 1506 1507 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format, 1508 0, dpass, e, "second certificate private key file"); 1509 if (!s_dkey) { 1510 ERR_print_errors(bio_err); 1511 goto end; 1512 } 1513 1514 s_dcert = load_cert(bio_err, s_dcert_file, s_dcert_format, 1515 NULL, e, "second server certificate file"); 1516 1517 if (!s_dcert) { 1518 ERR_print_errors(bio_err); 1519 goto end; 1520 } 1521 1522 } 1523 1524 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1525 && !RAND_status()) { 1526 BIO_printf(bio_err, 1527 "warning, not much extra random data, consider using the -rand option\n"); 1528 } 1529 if (inrand != NULL) 1530 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", 1531 app_RAND_load_files(inrand)); 1532 1533 if (bio_s_out == NULL) { 1534 if (s_quiet && !s_debug && !s_msg) { 1535 bio_s_out = BIO_new(BIO_s_null()); 1536 } else { 1537 if (bio_s_out == NULL) 1538 bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE); 1539 } 1540 } 1541#if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA) 1542 if (nocert) 1543#endif 1544 { 1545 s_cert_file = NULL; 1546 s_key_file = NULL; 1547 s_dcert_file = NULL; 1548 s_dkey_file = NULL; 1549#ifndef OPENSSL_NO_TLSEXT 1550 s_cert_file2 = NULL; 1551 s_key_file2 = NULL; 1552#endif 1553 } 1554 1555 ctx = SSL_CTX_new(meth); 1556 if (ctx == NULL) { 1557 ERR_print_errors(bio_err); 1558 goto end; 1559 } 1560 if (session_id_prefix) { 1561 if (strlen(session_id_prefix) >= 32) 1562 BIO_printf(bio_err, 1563 "warning: id_prefix is too long, only one new session will be possible\n"); 1564 else if (strlen(session_id_prefix) >= 16) 1565 BIO_printf(bio_err, 1566 "warning: id_prefix is too long if you use SSLv2\n"); 1567 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) { 1568 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1569 ERR_print_errors(bio_err); 1570 goto end; 1571 } 1572 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1573 } 1574 SSL_CTX_set_quiet_shutdown(ctx, 1); 1575 if (bugs) 1576 SSL_CTX_set_options(ctx, SSL_OP_ALL); 1577 if (hack) 1578 SSL_CTX_set_options(ctx, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1579 SSL_CTX_set_options(ctx, off); 1580 1581 if (state) 1582 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback); 1583 if (no_cache) 1584 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); 1585 else 1586 SSL_CTX_sess_set_cache_size(ctx, 128); 1587 1588#ifndef OPENSSL_NO_SRTP 1589 if (srtp_profiles != NULL) 1590 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1591#endif 1592 1593#if 0 1594 if (cipher == NULL) 1595 cipher = getenv("SSL_CIPHER"); 1596#endif 1597 1598#if 0 1599 if (s_cert_file == NULL) { 1600 BIO_printf(bio_err, 1601 "You must specify a certificate file for the server to use\n"); 1602 goto end; 1603 } 1604#endif 1605 1606 if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) || 1607 (!SSL_CTX_set_default_verify_paths(ctx))) { 1608 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */ 1609 ERR_print_errors(bio_err); 1610 /* goto end; */ 1611 } 1612 if (vpm) 1613 SSL_CTX_set1_param(ctx, vpm); 1614 1615#ifndef OPENSSL_NO_TLSEXT 1616 if (s_cert2) { 1617 ctx2 = SSL_CTX_new(meth); 1618 if (ctx2 == NULL) { 1619 ERR_print_errors(bio_err); 1620 goto end; 1621 } 1622 } 1623 1624 if (ctx2) { 1625 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n"); 1626 1627 if (session_id_prefix) { 1628 if (strlen(session_id_prefix) >= 32) 1629 BIO_printf(bio_err, 1630 "warning: id_prefix is too long, only one new session will be possible\n"); 1631 else if (strlen(session_id_prefix) >= 16) 1632 BIO_printf(bio_err, 1633 "warning: id_prefix is too long if you use SSLv2\n"); 1634 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) { 1635 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1636 ERR_print_errors(bio_err); 1637 goto end; 1638 } 1639 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1640 } 1641 SSL_CTX_set_quiet_shutdown(ctx2, 1); 1642 if (bugs) 1643 SSL_CTX_set_options(ctx2, SSL_OP_ALL); 1644 if (hack) 1645 SSL_CTX_set_options(ctx2, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1646 SSL_CTX_set_options(ctx2, off); 1647 1648 if (state) 1649 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback); 1650 1651 if (no_cache) 1652 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF); 1653 else 1654 SSL_CTX_sess_set_cache_size(ctx2, 128); 1655 1656 if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) || 1657 (!SSL_CTX_set_default_verify_paths(ctx2))) { 1658 ERR_print_errors(bio_err); 1659 } 1660 if (vpm) 1661 SSL_CTX_set1_param(ctx2, vpm); 1662 } 1663# ifndef OPENSSL_NO_NEXTPROTONEG 1664 if (next_proto.data) 1665 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, 1666 &next_proto); 1667# endif 1668#endif 1669 1670#ifndef OPENSSL_NO_DH 1671 if (!no_dhe) { 1672 DH *dh = NULL; 1673 1674 if (dhfile) 1675 dh = load_dh_param(dhfile); 1676 else if (s_cert_file) 1677 dh = load_dh_param(s_cert_file); 1678 1679 if (dh != NULL) { 1680 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 1681 } else { 1682 BIO_printf(bio_s_out, "Using default temp DH parameters\n"); 1683 dh = get_dh2048(); 1684 if (dh == NULL) { 1685 ERR_print_errors(bio_err); 1686 goto end; 1687 } 1688 } 1689 (void)BIO_flush(bio_s_out); 1690 1691 SSL_CTX_set_tmp_dh(ctx, dh); 1692# ifndef OPENSSL_NO_TLSEXT 1693 if (ctx2) { 1694 if (!dhfile) { 1695 DH *dh2 = load_dh_param(s_cert_file2); 1696 if (dh2 != NULL) { 1697 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 1698 (void)BIO_flush(bio_s_out); 1699 1700 DH_free(dh); 1701 dh = dh2; 1702 } 1703 } 1704 SSL_CTX_set_tmp_dh(ctx2, dh); 1705 } 1706# endif 1707 DH_free(dh); 1708 } 1709#endif 1710 1711#ifndef OPENSSL_NO_ECDH 1712 if (!no_ecdhe) { 1713 EC_KEY *ecdh = NULL; 1714 1715 if (named_curve) { 1716 int nid = OBJ_sn2nid(named_curve); 1717 1718 if (nid == 0) { 1719 BIO_printf(bio_err, "unknown curve name (%s)\n", named_curve); 1720 goto end; 1721 } 1722 ecdh = EC_KEY_new_by_curve_name(nid); 1723 if (ecdh == NULL) { 1724 BIO_printf(bio_err, "unable to create curve (%s)\n", 1725 named_curve); 1726 goto end; 1727 } 1728 } 1729 1730 if (ecdh != NULL) { 1731 BIO_printf(bio_s_out, "Setting temp ECDH parameters\n"); 1732 } else { 1733 BIO_printf(bio_s_out, "Using default temp ECDH parameters\n"); 1734 ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1); 1735 if (ecdh == NULL) { 1736 BIO_printf(bio_err, "unable to create curve (nistp256)\n"); 1737 goto end; 1738 } 1739 } 1740 (void)BIO_flush(bio_s_out); 1741 1742 SSL_CTX_set_tmp_ecdh(ctx, ecdh); 1743# ifndef OPENSSL_NO_TLSEXT 1744 if (ctx2) 1745 SSL_CTX_set_tmp_ecdh(ctx2, ecdh); 1746# endif 1747 EC_KEY_free(ecdh); 1748 } 1749#endif 1750 1751 if (!set_cert_key_stuff(ctx, s_cert, s_key)) 1752 goto end; 1753#ifndef OPENSSL_NO_TLSEXT 1754 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2)) 1755 goto end; 1756#endif 1757 if (s_dcert != NULL) { 1758 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey)) 1759 goto end; 1760 } 1761#ifndef OPENSSL_NO_RSA 1762# if 1 1763 if (!no_tmp_rsa) { 1764 SSL_CTX_set_tmp_rsa_callback(ctx, tmp_rsa_cb); 1765# ifndef OPENSSL_NO_TLSEXT 1766 if (ctx2) 1767 SSL_CTX_set_tmp_rsa_callback(ctx2, tmp_rsa_cb); 1768# endif 1769 } 1770# else 1771 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx)) { 1772 RSA *rsa; 1773 1774 BIO_printf(bio_s_out, "Generating temp (512 bit) RSA key..."); 1775 BIO_flush(bio_s_out); 1776 1777 rsa = RSA_generate_key(512, RSA_F4, NULL); 1778 1779 if (!SSL_CTX_set_tmp_rsa(ctx, rsa)) { 1780 ERR_print_errors(bio_err); 1781 goto end; 1782 } 1783# ifndef OPENSSL_NO_TLSEXT 1784 if (ctx2) { 1785 if (!SSL_CTX_set_tmp_rsa(ctx2, rsa)) { 1786 ERR_print_errors(bio_err); 1787 goto end; 1788 } 1789 } 1790# endif 1791 RSA_free(rsa); 1792 BIO_printf(bio_s_out, "\n"); 1793 } 1794# endif 1795#endif 1796 1797#ifndef OPENSSL_NO_PSK 1798# ifdef OPENSSL_NO_JPAKE 1799 if (psk_key != NULL) 1800# else 1801 if (psk_key != NULL || jpake_secret) 1802# endif 1803 { 1804 if (s_debug) 1805 BIO_printf(bio_s_out, 1806 "PSK key given or JPAKE in use, setting server callback\n"); 1807 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb); 1808 } 1809 1810 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) { 1811 BIO_printf(bio_err, "error setting PSK identity hint to context\n"); 1812 ERR_print_errors(bio_err); 1813 goto end; 1814 } 1815#endif 1816 1817 if (cipher != NULL) { 1818 if (!SSL_CTX_set_cipher_list(ctx, cipher)) { 1819 BIO_printf(bio_err, "error setting cipher list\n"); 1820 ERR_print_errors(bio_err); 1821 goto end; 1822 } 1823#ifndef OPENSSL_NO_TLSEXT 1824 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2, cipher)) { 1825 BIO_printf(bio_err, "error setting cipher list\n"); 1826 ERR_print_errors(bio_err); 1827 goto end; 1828 } 1829#endif 1830 } 1831 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback); 1832 SSL_CTX_set_session_id_context(ctx, (void *)&s_server_session_id_context, 1833 sizeof s_server_session_id_context); 1834 1835 /* Set DTLS cookie generation and verification callbacks */ 1836 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback); 1837 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback); 1838 1839#ifndef OPENSSL_NO_TLSEXT 1840 if (ctx2) { 1841 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback); 1842 SSL_CTX_set_session_id_context(ctx2, 1843 (void *)&s_server_session_id_context, 1844 sizeof s_server_session_id_context); 1845 1846 tlsextcbp.biodebug = bio_s_out; 1847 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb); 1848 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp); 1849 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1850 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1851 } 1852#endif 1853 1854#ifndef OPENSSL_NO_SRP 1855 if (srp_verifier_file != NULL) { 1856 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed); 1857 srp_callback_parm.user = NULL; 1858 srp_callback_parm.login = NULL; 1859 if ((ret = 1860 SRP_VBASE_init(srp_callback_parm.vb, 1861 srp_verifier_file)) != SRP_NO_ERROR) { 1862 BIO_printf(bio_err, 1863 "Cannot initialize SRP verifier file \"%s\":ret=%d\n", 1864 srp_verifier_file, ret); 1865 goto end; 1866 } 1867 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback); 1868 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm); 1869 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb); 1870 } else 1871#endif 1872 if (CAfile != NULL) { 1873 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile)); 1874#ifndef OPENSSL_NO_TLSEXT 1875 if (ctx2) 1876 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile)); 1877#endif 1878 } 1879 1880 BIO_printf(bio_s_out, "ACCEPT\n"); 1881 (void)BIO_flush(bio_s_out); 1882 if (www) 1883 do_server(port, socket_type, &accept_socket, www_body, context); 1884 else 1885 do_server(port, socket_type, &accept_socket, sv_body, context); 1886 print_stats(bio_s_out, ctx); 1887 ret = 0; 1888 end: 1889 if (ctx != NULL) 1890 SSL_CTX_free(ctx); 1891 if (s_cert) 1892 X509_free(s_cert); 1893 if (s_dcert) 1894 X509_free(s_dcert); 1895 if (s_key) 1896 EVP_PKEY_free(s_key); 1897 if (s_dkey) 1898 EVP_PKEY_free(s_dkey); 1899 if (pass) 1900 OPENSSL_free(pass); 1901 if (dpass) 1902 OPENSSL_free(dpass); 1903 if (vpm) 1904 X509_VERIFY_PARAM_free(vpm); 1905#ifndef OPENSSL_NO_TLSEXT 1906 if (tlscstatp.host) 1907 OPENSSL_free(tlscstatp.host); 1908 if (tlscstatp.port) 1909 OPENSSL_free(tlscstatp.port); 1910 if (tlscstatp.path) 1911 OPENSSL_free(tlscstatp.path); 1912 if (ctx2 != NULL) 1913 SSL_CTX_free(ctx2); 1914 if (s_cert2) 1915 X509_free(s_cert2); 1916 if (s_key2) 1917 EVP_PKEY_free(s_key2); 1918#endif 1919 if (bio_s_out != NULL) { 1920 BIO_free(bio_s_out); 1921 bio_s_out = NULL; 1922 } 1923 apps_shutdown(); 1924 OPENSSL_EXIT(ret); 1925} 1926 1927static void print_stats(BIO *bio, SSL_CTX *ssl_ctx) 1928{ 1929 BIO_printf(bio, "%4ld items in the session cache\n", 1930 SSL_CTX_sess_number(ssl_ctx)); 1931 BIO_printf(bio, "%4ld client connects (SSL_connect())\n", 1932 SSL_CTX_sess_connect(ssl_ctx)); 1933 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n", 1934 SSL_CTX_sess_connect_renegotiate(ssl_ctx)); 1935 BIO_printf(bio, "%4ld client connects that finished\n", 1936 SSL_CTX_sess_connect_good(ssl_ctx)); 1937 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n", 1938 SSL_CTX_sess_accept(ssl_ctx)); 1939 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n", 1940 SSL_CTX_sess_accept_renegotiate(ssl_ctx)); 1941 BIO_printf(bio, "%4ld server accepts that finished\n", 1942 SSL_CTX_sess_accept_good(ssl_ctx)); 1943 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx)); 1944 BIO_printf(bio, "%4ld session cache misses\n", 1945 SSL_CTX_sess_misses(ssl_ctx)); 1946 BIO_printf(bio, "%4ld session cache timeouts\n", 1947 SSL_CTX_sess_timeouts(ssl_ctx)); 1948 BIO_printf(bio, "%4ld callback cache hits\n", 1949 SSL_CTX_sess_cb_hits(ssl_ctx)); 1950 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n", 1951 SSL_CTX_sess_cache_full(ssl_ctx), 1952 SSL_CTX_sess_get_cache_size(ssl_ctx)); 1953} 1954 1955static int sv_body(char *hostname, int s, unsigned char *context) 1956{ 1957 char *buf = NULL; 1958 fd_set readfds; 1959 int ret = 1, width; 1960 int k, i; 1961 unsigned long l; 1962 SSL *con = NULL; 1963 BIO *sbio; 1964#ifndef OPENSSL_NO_KRB5 1965 KSSL_CTX *kctx; 1966#endif 1967 struct timeval timeout; 1968#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1969 struct timeval tv; 1970#else 1971 struct timeval *timeoutp; 1972#endif 1973 1974 if ((buf = OPENSSL_malloc(bufsize)) == NULL) { 1975 BIO_printf(bio_err, "out of memory\n"); 1976 goto err; 1977 } 1978#ifdef FIONBIO 1979 if (s_nbio) { 1980 unsigned long sl = 1; 1981 1982 if (!s_quiet) 1983 BIO_printf(bio_err, "turning on non blocking io\n"); 1984 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0) 1985 ERR_print_errors(bio_err); 1986 } 1987#endif 1988 1989 if (con == NULL) { 1990 con = SSL_new(ctx); 1991#ifndef OPENSSL_NO_TLSEXT 1992 if (s_tlsextdebug) { 1993 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1994 SSL_set_tlsext_debug_arg(con, bio_s_out); 1995 } 1996 if (s_tlsextstatus) { 1997 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb); 1998 tlscstatp.err = bio_err; 1999 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp); 2000 } 2001#endif 2002#ifndef OPENSSL_NO_KRB5 2003 if ((kctx = kssl_ctx_new()) != NULL) { 2004 SSL_set0_kssl_ctx(con, kctx); 2005 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 2006 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 2007 } 2008#endif /* OPENSSL_NO_KRB5 */ 2009 if (context) 2010 SSL_set_session_id_context(con, context, strlen((char *)context)); 2011 } 2012 SSL_clear(con); 2013#if 0 2014# ifdef TLSEXT_TYPE_opaque_prf_input 2015 SSL_set_tlsext_opaque_prf_input(con, "Test server", 11); 2016# endif 2017#endif 2018 2019 if (SSL_version(con) == DTLS1_VERSION) { 2020 2021 sbio = BIO_new_dgram(s, BIO_NOCLOSE); 2022 2023 if (enable_timeouts) { 2024 timeout.tv_sec = 0; 2025 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 2026 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 2027 2028 timeout.tv_sec = 0; 2029 timeout.tv_usec = DGRAM_SND_TIMEOUT; 2030 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 2031 } 2032 2033 if (socket_mtu) { 2034 if (socket_mtu < DTLS_get_link_min_mtu(con)) { 2035 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n", 2036 DTLS_get_link_min_mtu(con)); 2037 ret = -1; 2038 BIO_free(sbio); 2039 goto err; 2040 } 2041 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 2042 if (!DTLS_set_link_mtu(con, socket_mtu)) { 2043 BIO_printf(bio_err, "Failed to set MTU\n"); 2044 ret = -1; 2045 BIO_free(sbio); 2046 goto err; 2047 } 2048 } else 2049 /* want to do MTU discovery */ 2050 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 2051 2052 /* turn on cookie exchange */ 2053 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE); 2054 } else 2055 sbio = BIO_new_socket(s, BIO_NOCLOSE); 2056 2057 if (s_nbio_test) { 2058 BIO *test; 2059 2060 test = BIO_new(BIO_f_nbio_test()); 2061 sbio = BIO_push(test, sbio); 2062 } 2063#ifndef OPENSSL_NO_JPAKE 2064 if (jpake_secret) 2065 jpake_server_auth(bio_s_out, sbio, jpake_secret); 2066#endif 2067 2068 SSL_set_bio(con, sbio, sbio); 2069 SSL_set_accept_state(con); 2070 /* SSL_set_fd(con,s); */ 2071 2072 if (s_debug) { 2073 SSL_set_debug(con, 1); 2074 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 2075 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 2076 } 2077 if (s_msg) { 2078 SSL_set_msg_callback(con, msg_cb); 2079 SSL_set_msg_callback_arg(con, bio_s_out); 2080 } 2081#ifndef OPENSSL_NO_TLSEXT 2082 if (s_tlsextdebug) { 2083 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2084 SSL_set_tlsext_debug_arg(con, bio_s_out); 2085 } 2086#endif 2087 2088 width = s + 1; 2089 for (;;) { 2090 int read_from_terminal; 2091 int read_from_sslcon; 2092 2093 read_from_terminal = 0; 2094 read_from_sslcon = SSL_pending(con); 2095 2096 if (!read_from_sslcon) { 2097 FD_ZERO(&readfds); 2098#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5) 2099 openssl_fdset(fileno(stdin), &readfds); 2100#endif 2101 openssl_fdset(s, &readfds); 2102 /* 2103 * Note: under VMS with SOCKETSHR the second parameter is 2104 * currently of type (int *) whereas under other systems it is 2105 * (void *) if you don't have a cast it will choke the compiler: 2106 * if you do have a cast then you can either go for (int *) or 2107 * (void *). 2108 */ 2109#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) 2110 /* 2111 * Under DOS (non-djgpp) and Windows we can't select on stdin: 2112 * only on sockets. As a workaround we timeout the select every 2113 * second and check for any keypress. In a proper Windows 2114 * application we wouldn't do this because it is inefficient. 2115 */ 2116 tv.tv_sec = 1; 2117 tv.tv_usec = 0; 2118 i = select(width, (void *)&readfds, NULL, NULL, &tv); 2119 if ((i < 0) || (!i && !_kbhit())) 2120 continue; 2121 if (_kbhit()) 2122 read_from_terminal = 1; 2123#elif defined(OPENSSL_SYS_BEOS_R5) 2124 /* Under BeOS-R5 the situation is similar to DOS */ 2125 tv.tv_sec = 1; 2126 tv.tv_usec = 0; 2127 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); 2128 i = select(width, (void *)&readfds, NULL, NULL, &tv); 2129 if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0)) 2130 continue; 2131 if (read(fileno(stdin), buf, 0) >= 0) 2132 read_from_terminal = 1; 2133 (void)fcntl(fileno(stdin), F_SETFL, 0); 2134#else 2135 if ((SSL_version(con) == DTLS1_VERSION) && 2136 DTLSv1_get_timeout(con, &timeout)) 2137 timeoutp = &timeout; 2138 else 2139 timeoutp = NULL; 2140 2141 i = select(width, (void *)&readfds, NULL, NULL, timeoutp); 2142 2143 if ((SSL_version(con) == DTLS1_VERSION) 2144 && DTLSv1_handle_timeout(con) > 0) { 2145 BIO_printf(bio_err, "TIMEOUT occured\n"); 2146 } 2147 2148 if (i <= 0) 2149 continue; 2150 if (FD_ISSET(fileno(stdin), &readfds)) 2151 read_from_terminal = 1; 2152#endif 2153 if (FD_ISSET(s, &readfds)) 2154 read_from_sslcon = 1; 2155 } 2156 if (read_from_terminal) { 2157 if (s_crlf) { 2158 int j, lf_num; 2159 2160 i = raw_read_stdin(buf, bufsize / 2); 2161 lf_num = 0; 2162 /* both loops are skipped when i <= 0 */ 2163 for (j = 0; j < i; j++) 2164 if (buf[j] == '\n') 2165 lf_num++; 2166 for (j = i - 1; j >= 0; j--) { 2167 buf[j + lf_num] = buf[j]; 2168 if (buf[j] == '\n') { 2169 lf_num--; 2170 i++; 2171 buf[j + lf_num] = '\r'; 2172 } 2173 } 2174 assert(lf_num == 0); 2175 } else 2176 i = raw_read_stdin(buf, bufsize); 2177 if (!s_quiet) { 2178 if ((i <= 0) || (buf[0] == 'Q')) { 2179 BIO_printf(bio_s_out, "DONE\n"); 2180 SHUTDOWN(s); 2181 close_accept_socket(); 2182 ret = -11; 2183 goto err; 2184 } 2185 if ((i <= 0) || (buf[0] == 'q')) { 2186 BIO_printf(bio_s_out, "DONE\n"); 2187 if (SSL_version(con) != DTLS1_VERSION) 2188 SHUTDOWN(s); 2189 /* 2190 * close_accept_socket(); ret= -11; 2191 */ 2192 goto err; 2193 } 2194#ifndef OPENSSL_NO_HEARTBEATS 2195 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2196 BIO_printf(bio_err, "HEARTBEATING\n"); 2197 SSL_heartbeat(con); 2198 i = 0; 2199 continue; 2200 } 2201#endif 2202 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2203 SSL_renegotiate(con); 2204 i = SSL_do_handshake(con); 2205 printf("SSL_do_handshake -> %d\n", i); 2206 i = 0; /* 13; */ 2207 continue; 2208 /* 2209 * strcpy(buf,"server side RE-NEGOTIATE\n"); 2210 */ 2211 } 2212 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2213 SSL_set_verify(con, 2214 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, 2215 NULL); 2216 SSL_renegotiate(con); 2217 i = SSL_do_handshake(con); 2218 printf("SSL_do_handshake -> %d\n", i); 2219 i = 0; /* 13; */ 2220 continue; 2221 /* 2222 * strcpy(buf,"server side RE-NEGOTIATE asking for client 2223 * cert\n"); 2224 */ 2225 } 2226 if (buf[0] == 'P') { 2227 static const char *str = "Lets print some clear text\n"; 2228 BIO_write(SSL_get_wbio(con), str, strlen(str)); 2229 } 2230 if (buf[0] == 'S') { 2231 print_stats(bio_s_out, SSL_get_SSL_CTX(con)); 2232 } 2233 } 2234#ifdef CHARSET_EBCDIC 2235 ebcdic2ascii(buf, buf, i); 2236#endif 2237 l = k = 0; 2238 for (;;) { 2239 /* should do a select for the write */ 2240#ifdef RENEG 2241 { 2242 static count = 0; 2243 if (++count == 100) { 2244 count = 0; 2245 SSL_renegotiate(con); 2246 } 2247 } 2248#endif 2249 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2250#ifndef OPENSSL_NO_SRP 2251 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) { 2252 BIO_printf(bio_s_out, "LOOKUP renego during write\n"); 2253 SRP_user_pwd_free(srp_callback_parm.user); 2254 srp_callback_parm.user = 2255 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2256 srp_callback_parm.login); 2257 if (srp_callback_parm.user) 2258 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2259 srp_callback_parm.user->info); 2260 else 2261 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2262 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2263 } 2264#endif 2265 switch (SSL_get_error(con, k)) { 2266 case SSL_ERROR_NONE: 2267 break; 2268 case SSL_ERROR_WANT_WRITE: 2269 case SSL_ERROR_WANT_READ: 2270 case SSL_ERROR_WANT_X509_LOOKUP: 2271 BIO_printf(bio_s_out, "Write BLOCK\n"); 2272 break; 2273 case SSL_ERROR_SYSCALL: 2274 case SSL_ERROR_SSL: 2275 BIO_printf(bio_s_out, "ERROR\n"); 2276 ERR_print_errors(bio_err); 2277 ret = 1; 2278 goto err; 2279 /* break; */ 2280 case SSL_ERROR_ZERO_RETURN: 2281 BIO_printf(bio_s_out, "DONE\n"); 2282 ret = 1; 2283 goto err; 2284 } 2285 if (k > 0) { 2286 l += k; 2287 i -= k; 2288 } 2289 if (i <= 0) 2290 break; 2291 } 2292 } 2293 if (read_from_sslcon) { 2294 if (!SSL_is_init_finished(con)) { 2295 i = init_ssl_connection(con); 2296 2297 if (i < 0) { 2298 ret = 0; 2299 goto err; 2300 } else if (i == 0) { 2301 ret = 1; 2302 goto err; 2303 } 2304 } else { 2305 again: 2306 i = SSL_read(con, (char *)buf, bufsize); 2307#ifndef OPENSSL_NO_SRP 2308 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2309 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 2310 SRP_user_pwd_free(srp_callback_parm.user); 2311 srp_callback_parm.user = 2312 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2313 srp_callback_parm.login); 2314 if (srp_callback_parm.user) 2315 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2316 srp_callback_parm.user->info); 2317 else 2318 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2319 i = SSL_read(con, (char *)buf, bufsize); 2320 } 2321#endif 2322 switch (SSL_get_error(con, i)) { 2323 case SSL_ERROR_NONE: 2324#ifdef CHARSET_EBCDIC 2325 ascii2ebcdic(buf, buf, i); 2326#endif 2327 raw_write_stdout(buf, (unsigned int)i); 2328 if (SSL_pending(con)) 2329 goto again; 2330 break; 2331 case SSL_ERROR_WANT_WRITE: 2332 case SSL_ERROR_WANT_READ: 2333 BIO_printf(bio_s_out, "Read BLOCK\n"); 2334 break; 2335 case SSL_ERROR_SYSCALL: 2336 case SSL_ERROR_SSL: 2337 BIO_printf(bio_s_out, "ERROR\n"); 2338 ERR_print_errors(bio_err); 2339 ret = 1; 2340 goto err; 2341 case SSL_ERROR_ZERO_RETURN: 2342 BIO_printf(bio_s_out, "DONE\n"); 2343 ret = 1; 2344 goto err; 2345 } 2346 } 2347 } 2348 } 2349 err: 2350 if (con != NULL) { 2351 BIO_printf(bio_s_out, "shutting down SSL\n"); 2352#if 1 2353 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 2354#else 2355 SSL_shutdown(con); 2356#endif 2357 SSL_free(con); 2358 } 2359 BIO_printf(bio_s_out, "CONNECTION CLOSED\n"); 2360 if (buf != NULL) { 2361 OPENSSL_cleanse(buf, bufsize); 2362 OPENSSL_free(buf); 2363 } 2364 if (ret >= 0) 2365 BIO_printf(bio_s_out, "ACCEPT\n"); 2366 return (ret); 2367} 2368 2369static void close_accept_socket(void) 2370{ 2371 BIO_printf(bio_err, "shutdown accept socket\n"); 2372 if (accept_socket >= 0) { 2373 SHUTDOWN2(accept_socket); 2374 } 2375} 2376 2377static int init_ssl_connection(SSL *con) 2378{ 2379 int i; 2380 const char *str; 2381 X509 *peer; 2382 long verify_error; 2383 MS_STATIC char buf[BUFSIZ]; 2384#ifndef OPENSSL_NO_KRB5 2385 char *client_princ; 2386#endif 2387#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2388 const unsigned char *next_proto_neg; 2389 unsigned next_proto_neg_len; 2390#endif 2391 unsigned char *exportedkeymat; 2392 2393 i = SSL_accept(con); 2394#ifndef OPENSSL_NO_SRP 2395 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2396 BIO_printf(bio_s_out, "LOOKUP during accept %s\n", 2397 srp_callback_parm.login); 2398 SRP_user_pwd_free(srp_callback_parm.user); 2399 srp_callback_parm.user = 2400 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2401 srp_callback_parm.login); 2402 if (srp_callback_parm.user) 2403 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2404 srp_callback_parm.user->info); 2405 else 2406 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2407 i = SSL_accept(con); 2408 } 2409#endif 2410 if (i <= 0) { 2411 if (BIO_sock_should_retry(i)) { 2412 BIO_printf(bio_s_out, "DELAY\n"); 2413 return (1); 2414 } 2415 2416 BIO_printf(bio_err, "ERROR\n"); 2417 verify_error = SSL_get_verify_result(con); 2418 if (verify_error != X509_V_OK) { 2419 BIO_printf(bio_err, "verify error:%s\n", 2420 X509_verify_cert_error_string(verify_error)); 2421 } else 2422 ERR_print_errors(bio_err); 2423 return (0); 2424 } 2425 2426 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con)); 2427 2428 peer = SSL_get_peer_certificate(con); 2429 if (peer != NULL) { 2430 BIO_printf(bio_s_out, "Client certificate\n"); 2431 PEM_write_bio_X509(bio_s_out, peer); 2432 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf); 2433 BIO_printf(bio_s_out, "subject=%s\n", buf); 2434 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf); 2435 BIO_printf(bio_s_out, "issuer=%s\n", buf); 2436 X509_free(peer); 2437 } 2438 2439 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL) 2440 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf); 2441 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con)); 2442 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)"); 2443 2444#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2445 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len); 2446 if (next_proto_neg) { 2447 BIO_printf(bio_s_out, "NEXTPROTO is "); 2448 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len); 2449 BIO_printf(bio_s_out, "\n"); 2450 } 2451#endif 2452#ifndef OPENSSL_NO_SRTP 2453 { 2454 SRTP_PROTECTION_PROFILE *srtp_profile 2455 = SSL_get_selected_srtp_profile(con); 2456 2457 if (srtp_profile) 2458 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n", 2459 srtp_profile->name); 2460 } 2461#endif 2462 if (SSL_cache_hit(con)) 2463 BIO_printf(bio_s_out, "Reused session-id\n"); 2464 if (SSL_ctrl(con, SSL_CTRL_GET_FLAGS, 0, NULL) & 2465 TLS1_FLAGS_TLS_PADDING_BUG) 2466 BIO_printf(bio_s_out, "Peer has incorrect TLSv1 block padding\n"); 2467#ifndef OPENSSL_NO_KRB5 2468 client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con)); 2469 if (client_princ != NULL) { 2470 BIO_printf(bio_s_out, "Kerberos peer principal is %s\n", 2471 client_princ); 2472 } 2473#endif /* OPENSSL_NO_KRB5 */ 2474 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n", 2475 SSL_get_secure_renegotiation_support(con) ? "" : " NOT"); 2476 if (keymatexportlabel != NULL) { 2477 BIO_printf(bio_s_out, "Keying material exporter:\n"); 2478 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel); 2479 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen); 2480 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2481 if (exportedkeymat != NULL) { 2482 if (!SSL_export_keying_material(con, exportedkeymat, 2483 keymatexportlen, 2484 keymatexportlabel, 2485 strlen(keymatexportlabel), 2486 NULL, 0, 0)) { 2487 BIO_printf(bio_s_out, " Error\n"); 2488 } else { 2489 BIO_printf(bio_s_out, " Keying material: "); 2490 for (i = 0; i < keymatexportlen; i++) 2491 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]); 2492 BIO_printf(bio_s_out, "\n"); 2493 } 2494 OPENSSL_free(exportedkeymat); 2495 } 2496 } 2497 2498 return (1); 2499} 2500 2501#ifndef OPENSSL_NO_DH 2502static DH *load_dh_param(const char *dhfile) 2503{ 2504 DH *ret = NULL; 2505 BIO *bio; 2506 2507 if ((bio = BIO_new_file(dhfile, "r")) == NULL) 2508 goto err; 2509 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL); 2510 err: 2511 if (bio != NULL) 2512 BIO_free(bio); 2513 return (ret); 2514} 2515#endif 2516#ifndef OPENSSL_NO_KRB5 2517char *client_princ; 2518#endif 2519 2520#if 0 2521static int load_CA(SSL_CTX *ctx, char *file) 2522{ 2523 FILE *in; 2524 X509 *x = NULL; 2525 2526 if ((in = fopen(file, "r")) == NULL) 2527 return (0); 2528 2529 for (;;) { 2530 if (PEM_read_X509(in, &x, NULL) == NULL) 2531 break; 2532 SSL_CTX_add_client_CA(ctx, x); 2533 } 2534 if (x != NULL) 2535 X509_free(x); 2536 fclose(in); 2537 return (1); 2538} 2539#endif 2540 2541static int www_body(char *hostname, int s, unsigned char *context) 2542{ 2543 char *buf = NULL; 2544 int ret = 1; 2545 int i, j, k, dot; 2546 SSL *con; 2547 const SSL_CIPHER *c; 2548 BIO *io, *ssl_bio, *sbio; 2549#ifndef OPENSSL_NO_KRB5 2550 KSSL_CTX *kctx; 2551#endif 2552 2553 buf = OPENSSL_malloc(bufsize); 2554 if (buf == NULL) 2555 return (0); 2556 io = BIO_new(BIO_f_buffer()); 2557 ssl_bio = BIO_new(BIO_f_ssl()); 2558 if ((io == NULL) || (ssl_bio == NULL)) 2559 goto err; 2560 2561#ifdef FIONBIO 2562 if (s_nbio) { 2563 unsigned long sl = 1; 2564 2565 if (!s_quiet) 2566 BIO_printf(bio_err, "turning on non blocking io\n"); 2567 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0) 2568 ERR_print_errors(bio_err); 2569 } 2570#endif 2571 2572 /* lets make the output buffer a reasonable size */ 2573 if (!BIO_set_write_buffer_size(io, bufsize)) 2574 goto err; 2575 2576 if ((con = SSL_new(ctx)) == NULL) 2577 goto err; 2578#ifndef OPENSSL_NO_TLSEXT 2579 if (s_tlsextdebug) { 2580 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2581 SSL_set_tlsext_debug_arg(con, bio_s_out); 2582 } 2583#endif 2584#ifndef OPENSSL_NO_KRB5 2585 if ((kctx = kssl_ctx_new()) != NULL) { 2586 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 2587 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 2588 } 2589#endif /* OPENSSL_NO_KRB5 */ 2590 if (context) 2591 SSL_set_session_id_context(con, context, strlen((char *)context)); 2592 2593 sbio = BIO_new_socket(s, BIO_NOCLOSE); 2594 if (s_nbio_test) { 2595 BIO *test; 2596 2597 test = BIO_new(BIO_f_nbio_test()); 2598 sbio = BIO_push(test, sbio); 2599 } 2600 SSL_set_bio(con, sbio, sbio); 2601 SSL_set_accept_state(con); 2602 2603 /* SSL_set_fd(con,s); */ 2604 BIO_set_ssl(ssl_bio, con, BIO_CLOSE); 2605 BIO_push(io, ssl_bio); 2606#ifdef CHARSET_EBCDIC 2607 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io); 2608#endif 2609 2610 if (s_debug) { 2611 SSL_set_debug(con, 1); 2612 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 2613 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 2614 } 2615 if (s_msg) { 2616 SSL_set_msg_callback(con, msg_cb); 2617 SSL_set_msg_callback_arg(con, bio_s_out); 2618 } 2619 2620 for (;;) { 2621 if (hack) { 2622 i = SSL_accept(con); 2623#ifndef OPENSSL_NO_SRP 2624 while (i <= 0 2625 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2626 BIO_printf(bio_s_out, "LOOKUP during accept %s\n", 2627 srp_callback_parm.login); 2628 SRP_user_pwd_free(srp_callback_parm.user); 2629 srp_callback_parm.user = 2630 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2631 srp_callback_parm.login); 2632 if (srp_callback_parm.user) 2633 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2634 srp_callback_parm.user->info); 2635 else 2636 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2637 i = SSL_accept(con); 2638 } 2639#endif 2640 switch (SSL_get_error(con, i)) { 2641 case SSL_ERROR_NONE: 2642 break; 2643 case SSL_ERROR_WANT_WRITE: 2644 case SSL_ERROR_WANT_READ: 2645 case SSL_ERROR_WANT_X509_LOOKUP: 2646 continue; 2647 case SSL_ERROR_SYSCALL: 2648 case SSL_ERROR_SSL: 2649 case SSL_ERROR_ZERO_RETURN: 2650 ret = 1; 2651 goto err; 2652 /* break; */ 2653 } 2654 2655 SSL_renegotiate(con); 2656 SSL_write(con, NULL, 0); 2657 } 2658 2659 i = BIO_gets(io, buf, bufsize - 1); 2660 if (i < 0) { /* error */ 2661 if (!BIO_should_retry(io)) { 2662 if (!s_quiet) 2663 ERR_print_errors(bio_err); 2664 goto err; 2665 } else { 2666 BIO_printf(bio_s_out, "read R BLOCK\n"); 2667#ifndef OPENSSL_NO_SRP 2668 if (BIO_should_io_special(io) 2669 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 2670 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 2671 SRP_user_pwd_free(srp_callback_parm.user); 2672 srp_callback_parm.user = 2673 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2674 srp_callback_parm.login); 2675 if (srp_callback_parm.user) 2676 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2677 srp_callback_parm.user->info); 2678 else 2679 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2680 continue; 2681 } 2682#endif 2683#if defined(OPENSSL_SYS_NETWARE) 2684 delay(1000); 2685#elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__) 2686 sleep(1); 2687#endif 2688 continue; 2689 } 2690 } else if (i == 0) { /* end of input */ 2691 ret = 1; 2692 goto end; 2693 } 2694 2695 /* else we have data */ 2696 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) || 2697 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) { 2698 char *p; 2699 X509 *peer; 2700 STACK_OF(SSL_CIPHER) *sk; 2701 static const char *space = " "; 2702 2703 BIO_puts(io, 2704 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2705 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n"); 2706 BIO_puts(io, "<pre>\n"); 2707/* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/ 2708 BIO_puts(io, "\n"); 2709 for (i = 0; i < local_argc; i++) { 2710 BIO_puts(io, local_argv[i]); 2711 BIO_write(io, " ", 1); 2712 } 2713 BIO_puts(io, "\n"); 2714 2715 BIO_printf(io, 2716 "Secure Renegotiation IS%s supported\n", 2717 SSL_get_secure_renegotiation_support(con) ? 2718 "" : " NOT"); 2719 2720 /* 2721 * The following is evil and should not really be done 2722 */ 2723 BIO_printf(io, "Ciphers supported in s_server binary\n"); 2724 sk = SSL_get_ciphers(con); 2725 j = sk_SSL_CIPHER_num(sk); 2726 for (i = 0; i < j; i++) { 2727 c = sk_SSL_CIPHER_value(sk, i); 2728 BIO_printf(io, "%-11s:%-25s", 2729 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 2730 if ((((i + 1) % 2) == 0) && (i + 1 != j)) 2731 BIO_puts(io, "\n"); 2732 } 2733 BIO_puts(io, "\n"); 2734 p = SSL_get_shared_ciphers(con, buf, bufsize); 2735 if (p != NULL) { 2736 BIO_printf(io, 2737 "---\nCiphers common between both SSL end points:\n"); 2738 j = i = 0; 2739 while (*p) { 2740 if (*p == ':') { 2741 BIO_write(io, space, 26 - j); 2742 i++; 2743 j = 0; 2744 BIO_write(io, ((i % 3) ? " " : "\n"), 1); 2745 } else { 2746 BIO_write(io, p, 1); 2747 j++; 2748 } 2749 p++; 2750 } 2751 BIO_puts(io, "\n"); 2752 } 2753 BIO_printf(io, (SSL_cache_hit(con) 2754 ? "---\nReused, " : "---\nNew, ")); 2755 c = SSL_get_current_cipher(con); 2756 BIO_printf(io, "%s, Cipher is %s\n", 2757 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 2758 SSL_SESSION_print(io, SSL_get_session(con)); 2759 BIO_printf(io, "---\n"); 2760 print_stats(io, SSL_get_SSL_CTX(con)); 2761 BIO_printf(io, "---\n"); 2762 peer = SSL_get_peer_certificate(con); 2763 if (peer != NULL) { 2764 BIO_printf(io, "Client certificate\n"); 2765 X509_print(io, peer); 2766 PEM_write_bio_X509(io, peer); 2767 } else 2768 BIO_puts(io, "no client certificate available\n"); 2769 BIO_puts(io, "</BODY></HTML>\r\n\r\n"); 2770 break; 2771 } else if ((www == 2 || www == 3) 2772 && (strncmp("GET /", buf, 5) == 0)) { 2773 BIO *file; 2774 char *p, *e; 2775 static const char *text = 2776 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"; 2777 2778 /* skip the '/' */ 2779 p = &(buf[5]); 2780 2781 dot = 1; 2782 for (e = p; *e != '\0'; e++) { 2783 if (e[0] == ' ') 2784 break; 2785 2786 switch (dot) { 2787 case 1: 2788 dot = (e[0] == '.') ? 2 : 0; 2789 break; 2790 case 2: 2791 dot = (e[0] == '.') ? 3 : 0; 2792 break; 2793 case 3: 2794 dot = (e[0] == '/') ? -1 : 0; 2795 break; 2796 } 2797 if (dot == 0) 2798 dot = (e[0] == '/') ? 1 : 0; 2799 } 2800 dot = (dot == 3) || (dot == -1); /* filename contains ".." 2801 * component */ 2802 2803 if (*e == '\0') { 2804 BIO_puts(io, text); 2805 BIO_printf(io, "'%s' is an invalid file name\r\n", p); 2806 break; 2807 } 2808 *e = '\0'; 2809 2810 if (dot) { 2811 BIO_puts(io, text); 2812 BIO_printf(io, "'%s' contains '..' reference\r\n", p); 2813 break; 2814 } 2815 2816 if (*p == '/') { 2817 BIO_puts(io, text); 2818 BIO_printf(io, "'%s' is an invalid path\r\n", p); 2819 break; 2820 } 2821#if 0 2822 /* append if a directory lookup */ 2823 if (e[-1] == '/') 2824 strcat(p, "index.html"); 2825#endif 2826 2827 /* if a directory, do the index thang */ 2828 if (app_isdir(p) > 0) { 2829#if 0 /* must check buffer size */ 2830 strcat(p, "/index.html"); 2831#else 2832 BIO_puts(io, text); 2833 BIO_printf(io, "'%s' is a directory\r\n", p); 2834 break; 2835#endif 2836 } 2837 2838 if ((file = BIO_new_file(p, "r")) == NULL) { 2839 BIO_puts(io, text); 2840 BIO_printf(io, "Error opening '%s'\r\n", p); 2841 ERR_print_errors(io); 2842 break; 2843 } 2844 2845 if (!s_quiet) 2846 BIO_printf(bio_err, "FILE:%s\n", p); 2847 2848 if (www == 2) { 2849 i = strlen(p); 2850 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) || 2851 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) || 2852 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0))) 2853 BIO_puts(io, 2854 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2855 else 2856 BIO_puts(io, 2857 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"); 2858 } 2859 /* send the file */ 2860 for (;;) { 2861 i = BIO_read(file, buf, bufsize); 2862 if (i <= 0) 2863 break; 2864 2865#ifdef RENEG 2866 total_bytes += i; 2867 fprintf(stderr, "%d\n", i); 2868 if (total_bytes > 3 * 1024) { 2869 total_bytes = 0; 2870 fprintf(stderr, "RENEGOTIATE\n"); 2871 SSL_renegotiate(con); 2872 } 2873#endif 2874 2875 for (j = 0; j < i;) { 2876#ifdef RENEG 2877 { 2878 static count = 0; 2879 if (++count == 13) { 2880 SSL_renegotiate(con); 2881 } 2882 } 2883#endif 2884 k = BIO_write(io, &(buf[j]), i - j); 2885 if (k <= 0) { 2886 if (!BIO_should_retry(io)) 2887 goto write_error; 2888 else { 2889 BIO_printf(bio_s_out, "rwrite W BLOCK\n"); 2890 } 2891 } else { 2892 j += k; 2893 } 2894 } 2895 } 2896 write_error: 2897 BIO_free(file); 2898 break; 2899 } 2900 } 2901 2902 for (;;) { 2903 i = (int)BIO_flush(io); 2904 if (i <= 0) { 2905 if (!BIO_should_retry(io)) 2906 break; 2907 } else 2908 break; 2909 } 2910 end: 2911#if 1 2912 /* make sure we re-use sessions */ 2913 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 2914#else 2915 /* This kills performance */ 2916 /* 2917 * SSL_shutdown(con); A shutdown gets sent in the BIO_free_all(io) 2918 * procession 2919 */ 2920#endif 2921 2922 err: 2923 2924 if (ret >= 0) 2925 BIO_printf(bio_s_out, "ACCEPT\n"); 2926 2927 if (buf != NULL) 2928 OPENSSL_free(buf); 2929 if (io != NULL) 2930 BIO_free_all(io); 2931/* if (ssl_bio != NULL) BIO_free(ssl_bio);*/ 2932 return (ret); 2933} 2934 2935#ifndef OPENSSL_NO_RSA 2936static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength) 2937{ 2938 BIGNUM *bn = NULL; 2939 static RSA *rsa_tmp = NULL; 2940 2941 if (!rsa_tmp && ((bn = BN_new()) == NULL)) 2942 BIO_printf(bio_err, "Allocation error in generating RSA key\n"); 2943 if (!rsa_tmp && bn) { 2944 if (!s_quiet) { 2945 BIO_printf(bio_err, "Generating temp (%d bit) RSA key...", 2946 keylength); 2947 (void)BIO_flush(bio_err); 2948 } 2949 if (!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) || 2950 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) { 2951 if (rsa_tmp) 2952 RSA_free(rsa_tmp); 2953 rsa_tmp = NULL; 2954 } 2955 if (!s_quiet) { 2956 BIO_printf(bio_err, "\n"); 2957 (void)BIO_flush(bio_err); 2958 } 2959 BN_free(bn); 2960 } 2961 return (rsa_tmp); 2962} 2963#endif 2964 2965#define MAX_SESSION_ID_ATTEMPTS 10 2966static int generate_session_id(const SSL *ssl, unsigned char *id, 2967 unsigned int *id_len) 2968{ 2969 unsigned int count = 0; 2970 do { 2971 if (RAND_pseudo_bytes(id, *id_len) < 0) 2972 return 0; 2973 /* 2974 * Prefix the session_id with the required prefix. NB: If our prefix 2975 * is too long, clip it - but there will be worse effects anyway, eg. 2976 * the server could only possibly create 1 session ID (ie. the 2977 * prefix!) so all future session negotiations will fail due to 2978 * conflicts. 2979 */ 2980 memcpy(id, session_id_prefix, 2981 (strlen(session_id_prefix) < *id_len) ? 2982 strlen(session_id_prefix) : *id_len); 2983 } 2984 while (SSL_has_matching_session_id(ssl, id, *id_len) && 2985 (++count < MAX_SESSION_ID_ATTEMPTS)); 2986 if (count >= MAX_SESSION_ID_ATTEMPTS) 2987 return 0; 2988 return 1; 2989} 2990